Vijayesh instruments offers hand held infrared thermometers and non contact temperature sensors with 4-20 ma output. These are manufactured by calex electronics limited, uk. The size fits in pocket like a pen and the temperature range is20 to +500°c. Features include high accuracy, fast response and the display shows maximum, minimum, average and current temperatures. Operation is simple - just aim, press the scan button and read the temperature immediately. This thermometer is useful for test, inspection and maintenance applications in industries such as food and beverage, automotive, plastics and rubber, textiles, paper and packaging, chemicals and pharmaceuticals, hvac, electrical, asphalting plus many others. The non contact sensors are of high quality, low cost, miniature in size, which measure the temperature [-20 to 50°c] of inaccessible or moving objects and materials. They measure temperatures from 0 to 250°c accurately and consistently, with an outstanding response time of 250 msec. The 4-20ma output is compatible with almost any indicator, controller, recorder, data logger, etc, without the need for special interfacing or signal conditioning. These are easy to install and will operate in ambient temperatures up to 50°c.
